const toString = Object.prototype.toString;
export function is(val, type) {
    return toString.call(val) === `[object ${type}]`;
}
export function isDef(val) {
    return typeof val !== 'undefined';
}
export function isUnDef(val) {
    return !isDef(val);
}
export function isObject(val) {
    return val !== null && is(val, 'Object');
}
export function isEmpty(val) {
    if (isArray(val) || isString(val)) {
        return val.length === 0;
    }
    if (val instanceof Map || val instanceof Set) {
        return val.size === 0;
    }
    if (isObject(val)) {
        return Object.keys(val).length === 0;
    }
    return false;
}
export function isDate(val) {
    return is(val, 'Date');
}
export function isNull(val) {
    return val === null;
}
export function isNullAndUnDef(val) {
    return isUnDef(val) && isNull(val);
}
export function isNullOrUnDef(val) {
    return isUnDef(val) || isNull(val);
}
export function isNumber(val) {
    return is(val, 'Number');
}
export function isPromise(val) {
    // update-begin--author:sunjianlei---date:20211022---for: 不能既是 Promise 又是 Object --------
    return is(val, 'Promise') && isFunction(val.then) && isFunction(val.catch);
    // update-end--author:sunjianlei---date:20211022---for: 不能既是 Promise 又是 Object --------
}
export function isString(val) {
    return is(val, 'String');
}
export function isJsonObjectString(val) {
    if (!val) {
        return false;
    }
    return val.startsWith('{') && val.endsWith('}');
}
export function isFunction(val) {
    return typeof val === 'function';
}
export function isBoolean(val) {
    return is(val, 'Boolean');
}
export function isRegExp(val) {
    return is(val, 'RegExp');
}
export function isArray(val) {
    return val && Array.isArray(val);
}
export function isWindow(val) {
    return typeof window !== 'undefined' && is(val, 'Window');
}
export function isElement(val) {
    return isObject(val) && !!val.tagName;
}
export function isMap(val) {
    return is(val, 'Map');
}
export const isServer = typeof window === 'undefined';
export const isClient = !isServer;
export function isUrl(path) {
    const reg = /(((^https?:(?:\/\/)?)(?:[-;:&=\+\$,\w]+@)?[A-Za-z0-9.-]+(?::\d+)?|(?:www.|[-;:&=\+\$,\w]+@)[A-Za-z0-9.-]+)((?:\/[\+~%\/.\w-_]*)?\??(?:[-\+=&;%@.\w_]*)#?(?:[\w]*))?)$/;
    return reg.test(path);
}
